Deep Pinning

Time-lapse video of jacking a house in Swansea, East Coast Tasmania.

Have you noticed cracking and movement in your home?

An international first, Deep Pinning offers a permanent solution to repair failed footings.

Cracking of walls is typically the first sign of footing problems and chances are, underpinning may need to be considered. Underpinning is the process of re-supporting a failing footing onto a more stable and reliable foundation.

In the past, underpinning generally involved excavating a large hole under the footing and filling it with concrete. Unfortunately, this approach often made the situation worse, leading to further movement and cracking.

Thanks to a totally new patented technology, there is now an advanced underpinning alternative with exclusive advantages. ‘Deep Pinning’ is an innovative process that uniquely addresses the root cause of failing footings, rendering other methods a thing of the past.

The key point of difference is that Deep Pinning can penetrate deep, problematic soil profiles, providing consistent, permanent support to the failed footing. Essentially, the system involves driving large diameter, solid steel reinforcing bars vertically down through the ground until refusal on bedrock or very firm materials. These steel bars or ‘pins’ are then integrated into the footings of the building making the structure independent of the unstable foundation material and providing a solid surface upon which to raise and repair the damaged footing.

Deep Pinning is unparalleled in its capacity to re-level and stabilise sunken homes.

The Deep Pinning system uniquely addresses the root cause of footing problems, overcoming the uncertainties in the ground which lead to troublesome footing movement and structural damage in the first place.

Benefits of Deep Pinning

Deep Pinning is unparalleled in its capacity to permanently repair inadequate footings with its unique “top-to-bottom” approach to the problem.

Ten Key Benefits of Deep Pinning:

  1. Transfers the loads on a failed footing down to solid underlying bedrock.
  2. Provides a permanent, Guaranteed solution unique to the field of underpinning – anywhere.
  3. Reduces the uncertainty surrounding traditional and more modern stop-gap underpinning methods that fall short of providing support on stable founding layers.
  4. Pad footings under timber floors and other structural footings can be Deep Pinned to rock even where site conditions include very low head clearance and tight access using our hand-operated hydraulic equipment and novel techniques.
  5. Excels in reactive and deep clay sites.
  6. Deep pinned underpins are unaffected by future changing ground conditions resulting from events such as leaking pipes, tree roots, geological anomalies and seasonal reactive clay variations.
  7. An adaptable and consistent solution, supporting the footing evenly on bedrock at varying depths across the site not at an arbitrary depth regardless of the bearing capacity of the profile.
  8. Deep Pinning usually penetrates rock, passing through weak weathered layers to refuse on a sound surface.
  9. Very efficient installation – the corner footing of a house can be deep-pinned to over 6m in a few hours.
  10. Simply, the smarter and 100% reliable underpinning solution.
For more information, download the Deep Pinning brochure